CN202527688U - Slider core for rotatable loose core - Google Patents
Slider core for rotatable loose core Download PDFInfo
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- CN202527688U CN202527688U CN2012201515285U CN201220151528U CN202527688U CN 202527688 U CN202527688 U CN 202527688U CN 2012201515285 U CN2012201515285 U CN 2012201515285U CN 201220151528 U CN201220151528 U CN 201220151528U CN 202527688 U CN202527688 U CN 202527688U
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- core
- slide block
- pulling device
- loosing
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Abstract
The utility model provides a slider core for a rotatable loose core, belonging to the technical field of die-casting. The slider core is used by being matched with a rotatable loose core device, and comprises a forming pin, a slider locating part and a rotatable loose core transmission part, wherein the rotatable loose core transmission part is matched with the transmission component of the rotatable loose core device. The slider core can realize the rotation of loose core under the driving of the rotatable loose core device so that the slider core is easy to pull core and is not easy to damage in the process of pulling core.
Description
Technical field
The utility model belongs to the die-casting technique field, relates to the rotary core-pulling device in the loose core of oil cylinder process, relates in particular to the slide block core that cooperates this rotary core-pulling device to use.
Background technology
Extrusion process be meant with smooth out with the fingers through the high pressure mode the quick injection of the metallic solution that dissolves to mould and cooled and solidified make a kind of manufacturing process of its shaping; Difference according to the metallic solution that uses can be divided into extrusion processes such as aluminium alloy, magnesium alloy; Temperature according to the pressure chamber of die casting machine can be divided into hot cell machine die casting, cold house's machine die casting.
In the employed mould of die casting,, need to use the slide block core usually in the privileged sites moulding.Usually, a die casting circulation technology comprises following process successively: matched moulds, injection, pressurize, die sinking, loose core of oil cylinder, foundry goods eject, pickup, spraying.Accomplish with on once after the extrusion process process, reset the continued die sinking to carry out extrusion process next time at the slide block core.
In the process of loosing core of slide block core (or be called " withdrawing pattern process "), through oil cylinder power is provided for loosing core, also need be used core-pulling device simultaneously so that the slide block core of smoothing out with the fingers in the foundry goods is extracted.
But, owing to need die casting to form the foundry goods of various special shapes, when casting structure is special; For example, when centre bore was long, slide block core length was long; The pattern draft of slide block core can be less relatively simultaneously, and according to the power of holding tightly the computing formula between slide block core and the hole, the power of holding tightly can be big more; Therefore, the power of loosing core that the oil cylinder that needs provides is big more.Like this, in the process that can cause loosing core on the one hand, the internal surface of hole of foundry goods is prone to pulled, drawing crack, even may cause the slide block core can not taken out; On the other hand, along with the raising of the power of loosing core, the internal diameter of oil cylinder needs to increase, and has improved the cost of oil cylinder; Also on the one hand; The surface of slide block core (moulding pin) is also damaged because of the excessive power of loosing core easily, even the slide block core can be repaired by polishing, in reusable process, also causes casting dimension inconsistent easily; Casting quality descends, and the maintenance cost of the slide block core in the mould also increases.
The utility model content
One of purpose of the utility model is, propose a kind of be applicable to rotary slide block core of loosing core to solve because the excessive difficult problem of loosing core that caused of the power of holding tightly between slide block core and the foundry goods.
The another purpose of the utility model is that the product quality of raising die casting also reduces because of the damage of the process of loosing core to the slide block core.
For realizing above purpose or other purposes, the utility model provides a kind of slide block core, and it cooperates rotary core-pulling device to use, and it is characterized in that said slide block core comprises:
The moulding pin,
The slide block location division, and
Rotate the driving section of loosing core;
Wherein, rotating the driving section of loosing core matches with the drive disk assembly of said rotary core-pulling device.
According to the slide block core of the utility model one embodiment, wherein, the drive disk assembly of said rotary core-pulling device comprises:
Synchronously make said rectilinear motion trapezoidal nut with the slide block of said rotary core-pulling device, and
Screw mandrel;
Wherein, said trapezoidal nut and said screw mandrel are through the stepped tooth engagement, and said screw mandrel is made rotate-stationary mode;
The said rotation driving section of loosing core cooperates with said screw mandrel, and said screw mandrel drives the said rotation driving section of loosing core and synchronously makes rotate-stationary mode.
Preferably, said screw mandrel is provided with the square through hole, and the said rotation driving section of loosing core is set to cubic column, and the rotation of the said cubic column driving section of loosing core is inserted and realized in the said square through hole cooperating.
Preferably, said slide block core also comprises:
The wear-resistant sleeve auxiliary section; And
Be used to install and fix the limiting plate fixed part of the limiting plate of said rotary core-pulling device.
Preferably, the end of said limiting plate fixed part is a bolt arrangement.
Preferably, said wear-resistant sleeve auxiliary section is arranged on said slide block location division and said rotation is loosed core between the driving section.
Preferably, the pattern draft of said moulding pin is 0.25 °.
Wherein, said rotary core-pulling device is included in slide block and the take-up housing that is used for dynamic model that die casting forms the mould of foundry goods in the die sinking process relatively and partly is synchronized with the movement, the oil cylinder that is used to provide the power of loosing core; And
Be arranged on oblique pulling block and wedge block on the cover half part of said mould, the cover half part of said oblique pulling block and the said relatively mould of wedge block is synchronized with the movement in the die sinking process to drive said slide block and take-up housing generation rectilinear motion; With
Be arranged on the drive disk assembly between said slide block and the slide block core, it is used for smoothing out with the fingers rectilinear motion that slide block produces in said die sinking process and converts into to rotatablely move and loose core rotatably to drive said slide block core.
Said drive disk assembly comprises:
Trapezoidal nut, and
Screw mandrel;
Said trapezoidal nut and said slide block are synchronously made said rectilinear motion, and said trapezoidal nut and said screw mandrel are through the stepped tooth engagement, and said screw mandrel is made rotate-stationary mode.
Preferably, said stepped tooth is 45 ° a stepped tooth.
Preferably, said rotary core-pulling device also comprises:
The trapezoidal nut fixed block that said slide block connects,
Wherein, said trapezoidal nut is fixed on the said trapezoidal nut fixed block through fastening bolt.
Preferably, said rotary core-pulling device also comprises:
Limiting plate, it is used to limit the move distance of the said relatively take-up housing of said slide block core.
Preferably, said rotary core-pulling device also comprises:
Wear-resistant sleeve, the frictional force that produces when it is used for bearing the slide block core and rotatablely moves.
Preferably, at the position of the engagement of said screw mandrel and trapezoidal nut oil-way is set.
Preferably, said foundry goods is to have length to be less than or equal to 0.5 ° foundry goods more than or equal to 350 millimeters cylindrical hole and pattern draft.
Preferably, said foundry goods is the housing of electric booster steering device.
Preferably, be connected through the oil cylinder contiguous block between said oil cylinder and the said take-up housing.
Before in the rotary core-pulling device of slide block core of said embodiment, preferably, saidly be die cast as cold chamber die casting.
The technique effect of the utility model is that this slide block core is particularly suitable for rotation and looses core, and when itself and rotary core-pulling device are used, can realize following effect:
(1) utilized motion between the active and inactive mold of die sinking process; Can, straight line rotate earlier before loosing core; Can significantly reduce the frictional force of loosing core, the power of holding tightly also significantly reduces, and the slide block core is prone to the demoulding; The power of loosing core excessive when preventing because of the demoulding of pressure straight line has improved casting product quality to the damage that cast product causes;
That (two) holds power simultaneously tightly reduces also to have reduced the surface damage that the excessive power of loosing core causes the slide block core when forcing the straight line demoulding; The service time and the number of times of slide block core have been reduced; Improve the life-span (particularly moulding pin) of slide block core, reduced the volume production maintenance cost of cast product;
(3) the required power of rotary slide block core obtains through the power of oblique pulling block conversion die sinking, has reduced the burden of oil cylinder, and the internal diameter of oil cylinder can reduce, and cylinder sizes can reduce, and reduces the equipment cost of oil cylinder.
Description of drawings
From the following detailed description that combines accompanying drawing, smooth out with the fingers and can make the above-mentioned of the utility model and other purposes and advantage clear more fully, wherein, same or analogous key element adopts identical label to represent.
Fig. 1 is the shell structure sketch map of electric booster steering device;
Fig. 2 is the structural representation of housing employed core-pulling device in the loose core of oil cylinder process of electric booster steering device shown in Figure 1;
Fig. 3 is the structural representation of the slide block core that core-pulling device 100 is used shown in existing and Fig. 2;
Fig. 4 is the structural representation of the slide block core that is used with core-pulling device shown in Fig. 2 200 of the utility model one embodiment;
Fig. 5 is the structural representation of the core-pulling device of employed prior art among Fig. 2;
Fig. 6 is the structural representation of the rotary core-pulling device that provides according to the utility model one embodiment;
Fig. 7 is that rotary core-pulling device shown in Figure 6 is at the structure of process sketch map of loosing core;
Fig. 8 is the structural representation of the drive disk assembly that is rotatablely moved by rectilinear motion conversion in the rotary core-pulling device shown in Figure 6.
The specific embodiment
What introduce below is some in maybe embodiment of the utility model a plurality of, aims to provide the basic understanding to the utility model, is not intended to confirm the crucial or conclusive key element of the utility model or limit claimed scope.Understand easily, according to the technical scheme of the utility model, under the connotation that does not change the utility model, but one of ordinary skill in the art can propose other implementations of mutual alternative.Therefore, the following specific embodiment and accompanying drawing only are the exemplary illustrations to the technical scheme of the utility model, and should not be regarded as the whole of the utility model or be regarded as qualification or the restriction to the utility model technical scheme.
The housing parts that following die casting manufacturing forms the electric booster steering device that uses on the automobile describe as the rotary core-pulling device of example to the utility model.
Shown in Figure 1 is the shell structure sketch map of electric booster steering device.The housing 900 of electric booster steering device has particular structural; There is long cylinder shape hole in it, i.e. centre bore, and the length of its centre bore (its length direction is defined as the x direction) reaches 400mm; One-sided pattern draft is 0.25 °; The centre bore average diameter is about 33mm, and according to holding the power computing formula tightly, its needed minimum power (promptly forming the knockout press of the employed slide block core of centre bore) of loosing core reaches 297,000 Ns.Simultaneously, the housing 900 of electric booster steering device usually require hot strength more than the 150MPa, elongation is more than 0.7%, hardness is more than 80HB (Brinell hardness), and outward appearance does not have harmful crackle.
The housing 900 of electric booster steering device and cast product with similar centre bore structure generally select specific running channel scheme to improve casting product quality in the process of die casting.This specific running channel scheme is the running channel scheme that flings type; Also be that molten metal can fling the slide block core that is used to form centre bore from cast gate; This slide block core relatively easily receives the impact of HTHP aluminium liquid, the relatively easy problems such as burn, damage, sticking aluminium that produce.Therefore, the surface roughness of slide block core increases, and coefficient of friction rises, and is more prone to cause the increase of the power of holding tightly, thereby causes the power of loosing core further to increase.
Traditional core-pulling device generally adopts the straight line withdrawing pattern, when housing 900 foundry goods of the electric booster steering device of instance shown in Figure 1 are loosed core, causes the problem described in the background technology more easily.
Shown in Figure 2 is the structural representation of housing employed core-pulling device in the loose core of oil cylinder process of electric booster steering device shown in Figure 1; The structural representation of the slide block core that is used for core-pulling device 100 shown in existing and Fig. 2 shown in Figure 3, the structural representation of the slide block core that is used with core-pulling device shown in Fig. 2 200 for the utility model one embodiment shown in Figure 4.In this embodiment, adopting the bilateral withdrawing pattern, also is that the right and left respectively uses a core-pulling device to loose core; The structure of the straight line withdrawing pattern form that the employed core-pulling device 100 in the left side of the housing 900 of electric booster steering device is a prior art, it is used to smooth out with the fingers the slide block core 810 that is used to form centre bore and extracts; The employed core-pulling device in the right side of the housing 900 of electric booster steering device 200 is the structural representation of the rotary core-pulling device that provides according to the utility model one embodiment, and it is used to smooth out with the fingers the slide block core 820 that is used to form centre bore and extracts.It will be appreciated that, also can design and only use core-pulling device 200 to realize one-sided withdrawing pattern, accomplish the process of loosing core.
The rotary core-pulling device 200 that below respectively core-pulling device 100 and the utility model embodiment of prior art is provided describes.
Shown in Figure 5 is the structural representation of the core-pulling device of employed prior art among Fig. 2.As shown in Figure 5; Core-pulling device 100 comprises slide block 110, take-up housing 120, wedging parts 130, oil cylinder contiguous block 140 and the oil cylinder 190 that is used to provide the power of loosing core; Wherein, Slide block 110 is used to connect take-up housing 120 and slide block core 810, and slide block 110 can determine in the slide block core extraction process slide block core 810 (positive direction of the x axle) progressive position of turning right, and take-up housing 120 can determine the going-back position of turn left (negative direction of x axle) of slide block core 810 in the slide block core extraction process.In extraction process, produce the power of loosing core (it is greater than the power of holding tightly between slide block core 810 and the housing 900) of turning left through oil cylinder 190, whole with straight-line basically form, smooth out with the fingers slide block core 810 and from the centre bore of housing 900, extract along the negative direction of x axle.In this embodiment, owing to adopt the bilateral withdrawing pattern, the length of slide block core 810 formed centre bores parts is shorter relatively, and therefore, the power of holding tightly is little, problem such as can not produce centre bore inner surface described in the background technology, pull.But,, then can cause producing the problem described in the background technology owing to the power of holding tightly is excessive if the slide block core 820 on right side also adopts core-pulling device 100 to extract.
Continue to combine Fig. 3 and shown in Figure 5, the slide block core 810 of 100 withdrawing patterns of core-pulling device comprises moulding pin (PIN) 811 and the slide block location division 812 that partly connects as one with this moulding pin; Wherein moulding pin 811 is moulding sections of core-pulling device 100; It directly contacts with foundry goods; For example; To the centre bore moulding of the left-hand component of electric booster steering device housing 900 shown in Figure 1, still, moulding pin 811 structure and corresponding of the foundry goods of moulding as required carries out the concrete structure design.Slide block location division 812 can assemble, cooperate, locatees with slide block 110; Before die sinking, slide block core 810 can be with respect to slide block 110 stationary positioned; And in the process of straight line withdrawing pattern, after slide block 110 was moved along the negative direction of x axle by oil cylinder 190 drivings, slide block 110 can further drive slide block cores 810 through slide block location division 812 and do to move along the negative direction of x axle, thereby realized the process of loosing core.For making slide block core 810 be applicable to that orthoscopic looses core, the pattern draft (not shown) of moulding pin 811 is oppositely arranged relatively large, and the design of slide block location division 812 only is suitable for the straight line motion of loosing core.
Structural representation for the rotary core-pulling device that provides according to the utility model one embodiment shown in Figure 6, shown in Figure 7 for rotary core-pulling device shown in Figure 6 at the structure of process sketch map of loosing core.Below in conjunction with Fig. 6 and Fig. 7 rotary core-pulling device 200 is described.
Consult Fig. 6 and Fig. 7; Rotary core-pulling device 200 comprises slide block 220; It is also referred to as " slide block of loosing core " usually; Slide block 220 can fit together through bolt or other fixtures and take-up housing 260, therefore, and the two synchronously horizontal movement (being used for the dynamic model part of mould that die casting forms the housing 900 of electric booster steering device relatively).Take-up housing 260 is provided with oil cylinder contiguous block 280, and it connects oil cylinder 290, and oil cylinder 290 can provide the power of loosing core for rotary core-pulling device 200, thereby can drive take-up housing 260 and slide block 220 move together (for example along x axle positive movement).
Rotary core-pulling device 200 comprises oblique pulling block 271, and it is that correspondingly, take-up housing 260 is provided with groove on the cover half part (not shown) of mould, can be used for coupling during the inherent matched moulds state of this groove to put oblique pulling block 271.Wedge block 272 links together with oblique pulling block 271, and wedge block 272 acts on the casting pressure on the slide block core 820 in the time of can bearing casting.Tiltedly pulling block 271 partly is connected with the cover half of the mould of the housing 900 that is used for die casting formation electric booster steering device; Therefore, when die sinking, oblique pulling block 271 and wedge block 272 relative cover half partial fixings; But; The dynamic model part also is relative take-up housing 260 and slide block 220, and it is to move along what groove was done to make progress.When tiltedly pulling block 271 is done to move obliquely along groove, take-up housing 260 and slide block 220 also relatively tiltedly pulling block 271 (also being the cover half part) realize the rectilinear motion of x durection component.
Rotary core-pulling device 200 further is provided with the drive disk assembly that is rotatablely moved by the rectilinear motion conversion; In this embodiment; This drive disk assembly comprises trapezoidal nut 232 and screw mandrel 233; Trapezoidal nut 232 can be fixed on the trapezoidal nut fixed block 231 that slide block connects through fastening bolt 235, and therefore, trapezoidal nut 232 can be done the motion of x direction with slide block and take-up housing etc.In this embodiment; Screw mandrel 233 and the stepped tooth engagement of trapezoidal nut 232 through 45 °, therefore, when trapezoidal nut 232 is done the motion of x direction; Stepped tooth through 45 °; Can make screw mandrel around self axis rotation,, thereby realize by rectilinear motion to the transmission conversion that rotatablely moves also promptly along the x axis rotation.Screw mandrel 233 can drive slide block core 820 further and synchronously rotate.
Structural representation for the drive disk assembly that rotatablely moves by the rectilinear motion conversion in the rotary core-pulling device shown in Figure 6 shown in Figure 8.Wherein, left-hand component is right view, and right-hand component is a front view.
Continue in this embodiment, also to be provided with limiting plate 240 in the rotary core-pulling device 200 like Fig. 6 and shown in Figure 7, it can limit slide block core 820 relative take-up housing rectilinear motions apart from (along the move distance of the positive direction of x axle).Also be provided with wear-resistant sleeve 210 in the rotary core-pulling device 200, the frictional force that produces when it can be used for bearing slide block core 820 and rotatablely moves, thus can protect slide block 220 and slide block core 820.Further, also be provided with clamp nut 250 (for example, the rotation nut is 2 hex nuts), it is used for fastening slide block core and limiting plate 240.Certainly, can also oil-way 234 etc. be set at the engagement position of screw mandrel 233 and trapezoidal nut 232.
Further, to this rotary core-pulling device 200, in conjunction with Fig. 4 and Fig. 6, shown in Figure 7, the slide block core has also been made corresponding structure and has been improved with solution and hold the excessive and difficult problem of loosing core of power tightly.Slide block core 820 is than the slide block core 810 of prior art, and it also comprises moulding pin 821 and slide block location division 822.Moulding pin 821 is used for mould casting, and is for example, as shown in Figure 2; It is used for the centre bore moulding to the right-hand component of electric booster steering device housing 900 shown in Figure 1; The length of moulding pin 821 can reach 400mm, and, one-sided pattern draft (its can be relatively less than the moulding pin pattern draft of slide block core 810 shown in Figure 5) about 0.25 °; The average diameter of moulding pin 821 is about 33mm; According to hold tightly power computing formula moulding pin 821 quite to the required knockout press of housing 900 about 297KN, therefore, needing to select the internal diameter minimum be the oil cylinder of 180mm.Just because of the power of holding tightly between moulding pin 821 and the foundry goods is bigger, so the rotary core-pulling device that relatively easily provides through the utility model is realized the process of loosing core, and, little to the internal diameter requirement of oil cylinder.
Match with slide block 220 in slide block location division 822, at this, slide block 220 does not directly produce transmission to slide block core 820.Therefore, on slide block core 820, also be provided with and rotate the driving section 824 of loosing core, rotate the driving section 824 of loosing core and be the tetragonal prism structure in this embodiment; It inserts in the cubic hole (as shown in Figure 8) of screw mandrel 233, and the size in this hole, four directions size basic and this tetragonal prism is complementary, thereby; When screw mandrel 233 rotates; Can driven rotary rotate with loosing core driving section 824 basic synchronization, and then slide block core 820 relative foundry goods are rotatablely moved, accomplish the step that rotation is loosed core.
It will be appreciated that; The rotation concrete structure design of driving section 824 improvement that can be complementary according to the concrete structure design of screw mandrel 233 of loosing core; For example; If the cubic hole of screw mandrel 233 is set to five square holes, rotates five flat columns that the driving section 824 of loosing core also can be designed as the size coupling, thereby can realize the good fit of the two.Therefore, rotating the driving section 824 of loosing core is to match with screw mandrel 233 (also promptly rotating the drive disk assembly of core-pulling device 200), rotates the motion of loosing core thereby can accomplish.
In this embodiment; Correspondence is loosed core between the driving section 824 in slide block location division 822 and rotation, is provided with wear-resistant sleeve auxiliary section 823, and it directly contacts with wear-resistant sleeve 210 of rotation core-pulling device 200; When rotation is loosed core; Slide block core 820 wear-resistant sleeve 210 relatively rotates with slide block 220, in the wearing and tearing that reduce slide block 220, also can reduce the wearing and tearing of slide block core 820.
In this embodiment; In the other end of slide block core 820 (end opposite) with moulding pin 821; Be provided with limiting plate fixed part 825, it is used to install and fix limiting plate 240, and the tail end of limiting plate fixed part 825 is provided with bolt; Through this bolt attaching nut, realize the locking of limiting plate 240.
Fig. 6 and rotary core-pulling device 200 shown in Figure 7 are when work, and its die sinking course of action promptly begins the process of loosing core.At first, at dynamic model part and cover half partly separately the time, the oblique pulling block 271 and wedge block 272 take-up housing 260 do motions obliquely relatively that partly are connected with cover half; Thereby make take-up housing 260 relatively dynamic model partly make the rectilinear motion of x durection component, for example, the distance that moves right x1 as shown in the figure; Further drive slide block 220, trapezoidal nut 232 are done the motion of x direction, and further, the motion of x direction is converted into rotatablely moving along the x axle by trapezoidal nut 232 and screw mandrel 233; Further, the rotation that screw mandrel 233 drives slide block cores 820 driving section 824 of loosing core rotates, thereby moves right the distance of x2; At this moment, trapezoidal nut fixed block 231 contacts with limiting plate 240, and limiting plate 240 is realized limit function; Leading screw 233 stops with the relative motion of trapezoidal nut 232, has accomplished the stroke of loosing core of x2.
Then, through oil cylinder 280 power of loosing core is provided again, accomplishes the stroke of loosing core of remainder.Since before in the process, the implementation part motion of loosing core, the power of holding tightly reduces greatly or is reduced to 0 basically, and is relatively low to the internal diameter requirement of oil cylinder 280 at this moment, thereby can reduce the cost of oil cylinder.
In the mould assembling action process, carry out and the opposite basically process of above process.
In above embodiment, rotary core-pulling device 200 is in the precision aluminium-alloy cold chamber die casting, to use.
It will be appreciated that; In above embodiment; Although the housing of electric booster steering device can be realized through two-way withdrawing pattern embodiment illustrated in fig. 2; In other embodiments, also can smooth out with the fingers rotary core-pulling device 200 and be applied to unidirectional withdrawing pattern, also promptly only realize the process of loosing core through a rotary core-pulling device 200.
Although above embodiment is that example is illustrated with the employed core-pulling device of the extrusion process process of the housing of electric booster steering device only; But; Should be understood that; This core-pulling device or similar core-pulling device do not limit the die casting of the housing that is applied to electric booster steering device; For example, length is less than or equal to 0.5 ° cast product structure more than or equal to the cylindrical hole of 350mm (or the cylindrical hole length that is interpreted as one-sided moulding is more than or equal to 350mm) and pattern draft, and the core-pulling device that all especially is fit to use above signal carries out the process of loosing core of slide block core (or be called " withdrawing pattern process ").
In this paper describes, user tropism's term (for example " on ", D score, " left side ", " right side " etc.) and the various structure embodiment that describe of similar terms represent direction shown in the accompanying drawing or the direction that can be it will be apparent to those skilled in the art that; These directional terminology are used for relative description and clarification, rather than will the orientation of any embodiment be limited to concrete direction or orientation.
Above example has mainly been explained the rotary core-pulling device of the utility model.Although only the embodiment to some of them the utility model is described; But those of ordinary skills should understand; The utility model can be in not departing from its purport and scope be implemented with many other forms; For example, adopt other device replacement oil cylinders, adopt other transmission mechanisms to realize rotatablely moving by the rectilinear motion conversion to realize similar functions.Therefore, example of being showed and embodiment are regarded as schematic and nonrestrictive, are not breaking away under the situation of liking defined the utility model spirit of each claim and scope enclosed, and the utility model possibly contained various modifications and replacement.
Claims (8)
1. slide block core, it cooperates rotary core-pulling device to use, and it is characterized in that said slide block core comprises:
The moulding pin,
The slide block location division, and
Rotate the driving section of loosing core;
Wherein, rotating the driving section of loosing core matches with the drive disk assembly of said rotary core-pulling device.
2. slide block core as claimed in claim 1 is characterized in that, the drive disk assembly of said rotary core-pulling device comprises:
Synchronously make said rectilinear motion trapezoidal nut with the slide block of said rotary core-pulling device, and
Screw mandrel;
Wherein, said trapezoidal nut and said screw mandrel are through the stepped tooth engagement, and said screw mandrel is made rotate-stationary mode;
The said rotation driving section of loosing core cooperates with said screw mandrel, and said screw mandrel drives the said rotation driving section of loosing core and synchronously makes rotate-stationary mode.
3. slide block core as claimed in claim 2 is characterized in that said screw mandrel is provided with the square through hole, and the said rotation driving section of loosing core is set to cubic column, and the rotation of the said cubic column driving section of loosing core is inserted and realized in the said square through hole cooperating.
4. slide block core as claimed in claim 1 is characterized in that, said slide block core also comprises:
The wear-resistant sleeve auxiliary section; And
Be used to install and fix the limiting plate fixed part of the limiting plate of said rotary core-pulling device.
5. slide block core as claimed in claim 4 is characterized in that, the end of said limiting plate fixed part is a bolt arrangement.
6. slide block core as claimed in claim 4 is characterized in that, said wear-resistant sleeve auxiliary section is arranged on said slide block location division and said rotation is loosed core between the driving section.
7. slide block core as claimed in claim 1 is characterized in that, the pattern draft of said moulding pin is 0.25 °.
8. slide block core as claimed in claim 1 is characterized in that, said rotary core-pulling device is included in slide block and the take-up housing that is used for dynamic model that die casting forms the mould of foundry goods in the die sinking process relatively and partly is synchronized with the movement, the oil cylinder that is used to provide the power of loosing core; And
Be arranged on oblique pulling block and wedge block on the cover half part of said mould, the cover half part of said oblique pulling block and the said relatively mould of wedge block is synchronized with the movement in the die sinking process to drive said slide block and take-up housing generation rectilinear motion; With
Be arranged on the drive disk assembly between said slide block and the slide block core, it is used for smoothing out with the fingers rectilinear motion that slide block produces in said die sinking process and converts into to rotatablely move and loose core rotatably to drive said slide block core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201515285U CN202527688U (en) | 2012-04-11 | 2012-04-11 | Slider core for rotatable loose core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201515285U CN202527688U (en) | 2012-04-11 | 2012-04-11 | Slider core for rotatable loose core |
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| CN202527688U true CN202527688U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201515285U Expired - Lifetime CN202527688U (en) | 2012-04-11 | 2012-04-11 | Slider core for rotatable loose core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424642A (en) * | 2016-09-23 | 2017-02-22 | 浙江亚路铸造股份有限公司 | Die casting technique for all-aluminum cylinder body of automobile air conditioner compressor |
| CN110340335A (en) * | 2019-07-17 | 2019-10-18 | 程浩 | A kind of stable core-pulling device of aluminium alloy casting |
-
2012
- 2012-04-11 CN CN2012201515285U patent/CN202527688U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424642A (en) * | 2016-09-23 | 2017-02-22 | 浙江亚路铸造股份有限公司 | Die casting technique for all-aluminum cylinder body of automobile air conditioner compressor |
| CN110340335A (en) * | 2019-07-17 | 2019-10-18 | 程浩 | A kind of stable core-pulling device of aluminium alloy casting |
| CN110340335B (en) * | 2019-07-17 | 2021-04-27 | 内蒙古创源合金有限公司 | Stable core pulling device for aluminum alloy casting |
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